71005120

素因数分解:

$2^6\times 5^1\times {\mathrm{221891}}^1$

素因数の和:221908

約数の個数: 28

約数和(自身を含む): 169081704

約数和(自身を除く): 98076584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 221891, 443782, 887564, 1109455, 1775128, 2218910, 3550256, 4437820, 7100512, 8875640, 14201024, 17751280, 35502560, 71005120]

約数ペア:

[(1, 71005120), (2, 35502560), (4, 17751280), (5, 14201024), (8, 8875640), (10, 7100512), (16, 4437820), (20, 3550256), (32, 2218910), (40, 1775128), (64, 1109455), (80, 887564), (160, 443782), (320, 221891)]